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HIGH · 7.5

CVE-2021-38387

In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumpt...

Vulnerability Description

In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumption.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Contiki-OsContiki3.0

Related Weaknesses (CWE)

CWE-835

References

FAQ

What is CVE-2021-38387?

CVE-2021-38387 is a vulnerability with a CVSS score of 7.5 (HIGH). In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumpt...

How severe is CVE-2021-38387?

CVE-2021-38387 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-38387?

Check the references section above for vendor advisories and patch information. Affected products include: Contiki-Os Contiki.